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United States Patent | 5,306,244 |
Shiber | April 26, 1994 |
An atherectomy system for coring, ingesting and removing plaque from within a patient's vessel having a flexible guide wire defining a void for holding plaque during the atherectomy process and for accurately guiding a flexible catheter in the vessel. Coupling means at the proximal end of the flexible catheter for coupling it to drive means. The insertion of the guidewire may be assisted by suspending a body part in a decompression chamber to dilate the vessel.
Inventors: | Shiber; Samuel (Billerica, MA) |
Assignee: | Surgical Systems & Instruments, Inc. (IL) |
Appl. No.: | 662558 |
Filed: | February 28, 1991 |
Current U.S. Class: | 604/510; 600/585; 606/159; 606/170 |
Intern'l Class: | A61B 017/32 |
Field of Search: | 604/22,96,265,53 606/159,170,171,180,194 128/30,202.12,772,897 |
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4471688 | Sep., 1984 | Smets | 128/897. |
4589412 | May., 1986 | Kensey | 606/159. |
4631052 | Dec., 1986 | Kensey | 604/22. |
4669469 | Jun., 1987 | Gifford, III et al. | 606/159. |
4685458 | Aug., 1987 | Leckrone | 606/159. |
4696667 | Sep., 1987 | Masch | 604/22. |
4732154 | Mar., 1988 | Shiber | 606/159. |
4883458 | Nov., 1989 | Shiber | 606/159. |
4898575 | Feb., 1990 | Fischell et al. | 604/22. |
5087244 | Feb., 1992 | Wolinsky et al. | 606/194. |
5098381 | Mar., 1992 | Schneider | 604/96. |
5102402 | Apr., 1992 | Dror et al. | 604/265. |
5127902 | Jul., 1992 | Fischell | 606/159. |
Factors Influencing Restonosis after Coronary Angioplasty, Pompa and Topol, Am. J. of Medicine, Jan. 1990. Waller et al., Morphologic Observations Late After Coronary Balloon Angioplasty, Radiology, Mar. 1990. Arrow International, Inc., Reading, PA 19610, "CPAC System" Nov. 1990. |